---
title: gen.tables() function
description: gen.tables() generates a stream of table data.
url: https://docs.influxdata.com/flux/v0/stdlib/internal/gen/tables/
estimated_tokens: 614
product: Flux
version: v0
---

# gen.tables() function

-   Flux 0.50.0+
-   View InfluxDB support

`gen.tables()` generates a stream of table data.

##### Function type signature

```js
(
    n: int,
    ?nulls: float,
    ?seed: int,
    ?tags: [{name: string, cardinality: int}],
) => stream[{A with _value: float, _time: time}]
```

For more information, see [Function type signatures](/flux/v0/function-type-signatures/).

## Parameters

### n

(Required) Number of rows to generate.

### nulls

Percentage chance that a null value will be used in the input. Valid value range is `[0.0 - 1.0]`.

### tags

Set of tags with their cardinality to generate.

### seed

Pass seed to tables generator to get the very same sequence each time.